<template>
    <div class="app-container">
      <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
        <el-form-item label="名称" prop="name">
          <el-input
            v-model="queryParams.name"
            placeholder="请输入表达式名称"
            clearable
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>
        <el-form-item label="状态" prop="status">
          <el-select v-model="queryParams.status" placeholder="请选择状态" clearable>
            <el-option
              v-for="dict in dict.type.sys_common_status"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            />
          </el-select>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">{{ $t('common.search') }}</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">{{ $t('common.reset') }}</el-button>
        </el-form-item>
      </el-form>
  
      <el-table v-loading="loading" :data="expressionList" row-key="id" @current-change="handleSingleExpSelect">
        <el-table-column  width="55" align="center" >
          <template slot-scope="scope">
            <!-- 可以手动的修改label的值，从而控制选择哪一项 -->
            <el-radio v-model="radioSelected" :label="scope.row.id">{{''}}</el-radio>
          </template>
        </el-table-column>
        <el-table-column label="主键" align="center" prop="id" />
        <el-table-column label="名称" align="center" prop="name" />
        <el-table-column label="表达式内容" align="center" prop="expression" />
        <el-table-column label="备注" align="center" prop="remark" />
      </el-table>
  
      <pagination
        v-show="total>0"
        :total="total"
        :page-sizes="[5,10]"
        :page.sync="queryParams.pageNum"
        :limit.sync="queryParams.pageSize"
        @pagination="getList"
      />
    </div>
  </template>
  
  <script>
  import { listExpression } from "@/api/flowable/expression";
  import {StrUtil} from "@/utils/StrUtil";
  
  export default {
    name: "Expression",
    dicts: ['sys_common_status'],
    // 接受父组件的值
    props: {
      // 回显数据传值
      selectValues: {
        type: Number | String,
        default: null,
        required: false
      }
    },
    data() {
      return {
        // 遮罩层
        loading: true,
        // 选中数组
        ids: [],
        // 非单个禁用
        single: true,
        // 非多个禁用
        multiple: true,
        // 显示搜索条件
        showSearch: true,
        // 总条数
        total: 0,
        // 流程达式表格数据
        expressionList: [],
        // 弹出层标题
        title: "",
        // 是否显示弹出层
        open: false,
        // 查询参数
        queryParams: {
          pageNum: 1,
          pageSize: 10,
          name: null,
          expression: null,
          status: null,
        },
        radioSelected: null // 单选框传值
      };
    },
    watch: {
      selectValues: {
        handler(newVal) {
          if (StrUtil.isNotBlank(newVal)) {
            this.radioSelected = newVal
          }
        },
        immediate: true,
      }
    },
    created() {
      this.getList();
    },
    methods: {
      /** 查询流程达式列表 */
      getList() {
        this.loading = true;
        listExpression(this.queryParams).then(response => {
          this.expressionList = response.rows;
          this.total = response.total;
          this.loading = false;
        });
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.queryParams.pageNum = 1;
        this.getList();
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.resetForm("queryForm");
        this.handleQuery();
      },
      // 单选框选中数据
      handleSingleExpSelect(selection) {
        this.radioSelected = selection.id;//点击当前行时,radio同样有选中效果
        this.$emit('handleSingleExpSelect',selection);
      },
    }
  };
  </script>
  